78746640

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{2467}}^1$

素因数の和:2509

約数の個数: 160

約数和(自身を含む): 293790720

約数和(自身を除く): 215044080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 80, 84, 95, 105, 112, 114, 120, 133, 140, 152, 168, 190, 210, 228, 240, 266, 280, 285, 304, 336, 380, 399, 420, 456, 532, 560, 570, 665, 760, 798, 840, 912, 1064, 1140, 1330, 1520, 1596, 1680, 1995, 2128, 2280, 2467, 2660, 3192, 3990, 4560, 4934, 5320, 6384, 7401, 7980, 9868, 10640, 12335, 14802, 15960, 17269, 19736, 24670, 29604, 31920, 34538, 37005, 39472, 46873, 49340, 51807, 59208, 69076, 74010, 86345, 93746, 98680, 103614, 118416, 138152, 140619, 148020, 172690, 187492, 197360, 207228, 234365, 259035, 276304, 281238, 296040, 328111, 345380, 374984, 414456, 468730, 518070, 562476, 592080, 656222, 690760, 703095, 749968, 828912, 937460, 984333, 1036140, 1124952, 1312444, 1381520, 1406190, 1640555, 1874920, 1968666, 2072280, 2249904, 2624888, 2812380, 3281110, 3749840, 3937332, 4144560, 4921665, 5249776, 5624760, 6562220, 7874664, 9843330, 11249520, 13124440, 15749328, 19686660, 26248880, 39373320, 78746640]

約数ペア:

[(1, 78746640), (2, 39373320), (3, 26248880), (4, 19686660), (5, 15749328), (6, 13124440), (7, 11249520), (8, 9843330), (10, 7874664), (12, 6562220), (14, 5624760), (15, 5249776), (16, 4921665), (19, 4144560), (20, 3937332), (21, 3749840), (24, 3281110), (28, 2812380), (30, 2624888), (35, 2249904), (38, 2072280), (40, 1968666), (42, 1874920), (48, 1640555), (56, 1406190), (57, 1381520), (60, 1312444), (70, 1124952), (76, 1036140), (80, 984333), (84, 937460), (95, 828912), (105, 749968), (112, 703095), (114, 690760), (120, 656222), (133, 592080), (140, 562476), (152, 518070), (168, 468730), (190, 414456), (210, 374984), (228, 345380), (240, 328111), (266, 296040), (280, 281238), (285, 276304), (304, 259035), (336, 234365), (380, 207228), (399, 197360), (420, 187492), (456, 172690), (532, 148020), (560, 140619), (570, 138152), (665, 118416), (760, 103614), (798, 98680), (840, 93746), (912, 86345), (1064, 74010), (1140, 69076), (1330, 59208), (1520, 51807), (1596, 49340), (1680, 46873), (1995, 39472), (2128, 37005), (2280, 34538), (2467, 31920), (2660, 29604), (3192, 24670), (3990, 19736), (4560, 17269), (4934, 15960), (5320, 14802), (6384, 12335), (7401, 10640), (7980, 9868)]